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Marquise|Lab Grown|IGI

1.24ct E VS1 Marquise Lab Grown Diamond

EX • E/VS1 • IGI LG830689688

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG830689688

Diamond specifications and retailer prices

From £222 GBP
$298 USD
As of November 1, 2026
Save £449 GBP (67%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £671 GBP at Frank Darling · As of November 2, 2026
View at Frank Darling

About this 1.24ct lab-grown marquise diamond

This 1.24ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG830689688 or 830689688. Listed at 9 retailers as of November 1, 2026, with prices from £222 to £671, a £449 spread on the same certified stone. Frank Darling lists it at £671. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.24
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830689688
Dimensions10.77 × 5.65 × 3.56 mm
L/W Ratio1.91
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.77 mm5.65 mm1.24 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830689688
Side View
Table 60.0%Crown 35.8°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 63.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £671 GBP|Low: £222 GBP|High: £1,448 GBP|Avg: £423 GBP|-0.6%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 27, 2026
Retailer 10£222 GBP
Retailer 8£252 GBP
Retailer 9£261 GBP
Retailer 5£272 GBP
Retailer 3£324 GBP
Retailer 4£333 GBP
Retailer 11£423 GBP
Retailer 2£576 GBP
Retailer 6£602 GBP
Frank Darling£671 GBP
Retailer 7£1,448 GBP

14 data points across 11 retailers

9 retailers£222 GBP to £671 GBP

A
Cheapest Retailer
-
£222 GBP
$298 USD
B+
Retailer 2
-
£252 GBP
$337 USD
View
Retailer 3
-
£261 GBP
View
Price last confirmed 17 days ago
A
Retailer 4
-
£272 GBP
$364 USD
View
A
Retailer 5
-
£333 GBP
€425 EUR
View
Retailer 6
-
£423 GBP
$567 USD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
£576 GBP
A$1,188 AUD
View
Retailer 8
-
£602 GBP
$807 USD
View
Price last confirmed 17 days ago
Most Expensive
B
Frank Darling
100195096766BD · Nov 2
£671 GBP
$899 USD
View
8 more retailers have this diamond
Prices start from £222 GBPSave up to £449 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.24ct Marquise
£222 GBP